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| P2E | off with squeeling | BU208A lop tr s/c |
| PE | Blank raster. | IC551 ( TDA2578A ) |
| PE-2 | Dead - burn up on PSU. | Check for pin hole in mica insulating washer of chopper. |
| PE-2 | Frame foldover at top. | Check earth rail around line transistor. |
| PE-2 | INT DEAD WHEN ON PIC TEARS | Q001 BC237 |
| PE3 | 6" wide bands across screen Black Grey White | Replace C655 ( 220uF ) 5V supply to micro |
| QE1 | Bright raster & flyback lines. | R718 ( 330k ) gone high. |
| QE1 | Burn up on crt panel | R756 & R758 47k 1/2w burnt; Q753 J101Q blown apart - used BC557B in lieu |
| QE1 | No sound or vis - snowy screen- no front panel control except tv/AV | SW407 on front panel leaky tying up micro |
| QE1 | striations on lh side of pic | 2 x 33µ caps in psu ok but C804 on scan panel faulty |
| QE3 | Dead | IC601 µ1394C; R632 2M2; Q202 2SD788 |
| QE3 | Int start up | C601 2µ2; R608 8M2; R609 2M2 |
| RM | No picture after 5 mins. | L810 o/c when warm. |
| RX | Blank raster. | IC551 ( TDA2578A ) |
| RX | Dark line 3" in from RHS of picture. | Check R825 , C802 , C804 , C803. |
| RX | Dead. | R651 ( 1.2R ) o/c & burning up change IC551. |
| RX | Field output IC replaced with version TDA3654 | change R518 from ( 1K5 ) to ( 6K8 ) on D board |
| RX | Frame collapse. | IC552 ( TDA3652 ) add mica washer behind IC & use silicon grease. |
| RX | Int loss of picture on channel change. | Q710 , 11 or 12 ( lift D701 , 2 or 3 in turn to determine defective 1. |
| RX | NO RASTER-BLANK SCREEN FIELD COLLAPSE | CHECK D804 ( 1R2 ) |
| RX | No red. | Q703 s/c. |
| RX | No remote control operation. | C655 o/c. |
| RX | No remote or teletext. | C655 ( 220u f ) on PSU. |
| RX | Picture flickers a few mins after switch on. | Q656. |
| RX | Severe EW distortion & vertical overscan. | Drys on L802. |
| RX | Vertical line moving down screen. | C655 ( 220u f ) on PSU. |
| RX | Will not stop during search tuning. | R237 ( 1M ) |
| SCC | Dead - LED flash's 2 times then nothing. | CP close/next to Lopt marked PS o/c - if blows change STR |
| SCC-132B | Blank picture for while then starts from bott | C816 ( 4.7u f , 250v ) |
| SCC-132B | Dead - blowing line transistor intermittently | D805 goes o/c when hot. |
| SCC-132B | Dead - R628 & R639 o/c. | C813 ( 0.016u f , 1.5kv ) s/c , chopper Q607. |
| SCC-132B | Dead. | Chopper transistor ( BU208 ) Q607 , R628 , R639 o/c , C901 1.5kV o/c 330pF |
| SCC-132B | Picture loss from side to side going white. | C827 ( 4.7u f , 250v ) |
| SCC-132B | Tripping. | T636 7.5K ohm o/c. |
| SCC-244A | Loss of line hold. | May also have EW fault C811 ( 0.47uF ) . |
| SCC251 | off - no HT | 2SC1942 chopper s/c (use BU208A) R637 0R33 1W o/c, R640 10k burnt out also check C616 &621 HT caps & R604 8M2 |
| SCCB15DA | No pic - in tuning mode would show pic but not stop | Dry joints at T101 & T102 on tuner pcb |
| SCCB15DA | No picture. | R807 ( 1k ) 0/c , D803 ( 1N4004 ) s/c L/H side of LOPT. |
| SX | Convergance errors. | Q1504 leaky from base to emitter. |
| SX | DEAD , ENERGISES BUT SHUTS DOWN | LOPT - FAT 3925 |
| SX | Display only visible at bottom of screen - top blanked | Scastle pulse has square wave superimposed on it at IC501 TDA2579 replacing chip cured fault |
| SX | Field cramping & top foldover | C563 3µ3 160v |
| SX | off - no HT | lopt and L651 o/c |
| SX | Pattern - rope pattern 1/8in wide. | Drys around C715 & scan coil connection plug. |
| SX | trips off aft half second - no led lit | ok on dummy load - lopt |
| SX | Won't tune in VCR & BBC1pic poor | dry joints IF tfmrs |
| VTX-100CS TV Tuner | No sound | Check/Replace R358 220Ohms Resistor |
| XE2 | Dead - Pin 4 of chopper IC not 2.9v. | R602 2M2 o/c. |
| XE2 | Dead - after 5-10 seconds at sw on | R602 high or o/c. |
| XE2 | Dead. | R602 ( 2.2MR ) o/c. |
| XE2 | No startup. | R602 ( 2.2MR ) o/c , IC601 ( uPC1394C ) |
| XE2 | Slow startup. | R602 goes high. |
| XE2 | Startup - no or intermittent - fuse intact | IC601. |
| XE2 | Tuner out of action | If 33V ok check Q10 for control voltage VC point on tuner if low Replace C134 inside tuner |
| XE3 | BLANK SCREEN SOUND OK | uPC1377 LINE OSC IC FAULTY |
| XE3 | DEAD , ic OSCILLATING ( MAY START IF ic HEATED ) | R 602 , 2.2M 1/2 W |
| XE3 | Dead with no drive at pin 7 of the chopper control | R632 ( 2.2M ) , which is connected to pin 4 of IC601 and is used for standby switching. |
| XE3 | Dead. | R632 ( 2.2MR ) going high on panel A. |
| XE3 | Dead. | IC601 ( uPC1394C ) , R632 ( 2.2M ) , Q202 ( 2SD788 ) |
| XE3 | Flyback - lines - intermittent. | D304. |
| XE3 | Flyback lines - picture shaded with no signal | C801 leaky. |
| XE3 | Int startup. | C601 ( 2.2uf ) , R608 ( 8.2M ) , R609 ( 2.2M ) |
| XE3 | NO S/V , MAIN SUPPLIES ALL COECT | CHECK 12v SUPPLY TO TUNER , FOLLOWS COMPLEX PATH VIA R811 , D811 , CONNECTOR D5 , AND A12 PIN 1 , Q207 |
| XE3 | Standby - stuck in standby. | R632 ( 2.2m ) going high on panel A. |
| XE3 | Takes a long time to come on. | R632 ( 2.2M ) o/c. |
| XE-3 | tuner drift aft 4 mins then chan search | switches S401-413 on front panel faulty |
| XE4 | BLOWS CHOPPER AND OR LINE TRANSISTORS | REPLACE D605 , 614 RGP15J AND C513 2 , 700pF IN LINE OSC CCT.RESOLDER STAND OFF RESISTORS |
| XE4 | Colour - red shading around white verticals. | R853 ( 1k ) o/c , D852 may check Ok but be split. |
| XE4 | Dead | Dry joints on 2 large upright res in psu; 4A fuse o/c; 2SD1497 s/c - replaced with BU208A |
| XE4 | Dead - fuse blown | C815 faulty tho check ok; Q602 2SD1497 s/c; D605 & D614 RGP10G; |
| XE4 | Dead - fuse blown | Mains sw internal arcing; Q602 2SD1497 s/c; R622 & R623 680R o/c |
| XE4 | Dead - line transistor short , fuse blown. | Blows transistor instantly - LOPTX. |
| XE4 | DEAD LOP TR SC PREVIOUSLY SET SHUT DOWN INT. | C513 2700pF IN LINE OSC CCT |
| XE4 | Dead. | Chopper transistor s/c , check drys on 680ohm snubber cct |
| XE4 | Dead. | C815 ( seems Ok ) , Q602+change D605/14 ( RGP10 ) , Sw arching , Q602 , R622/3 |
| XE4 | Field non lin | C527 470µ low cap |
| XE4 | Frame - foldover at bottom & bent verticals. | C527 ( 470u f ) leaky. |
| XE4 | Frame linearity fault. | C527 ( 470uf ) low. |
| XE4 | Int dead | Dry joints R622 & R623 |
| XE4 | Int dead. | Drys on R622 , R623 ( 680R ) |
| XE4 | INT FAILURE OF LOP TRANSISTOR 2SD1398 | CHECK BASE DRIVE COUPLING COIL L801 FOR INT OC OR SC |
| XE4 | INT PICTURE | SOLDER IC003 DIRECT TO PCB ON TEXT PCB |
| XE4 | INT STUCK ON AV AT SWITCH ON OR IR DIODE FLASHES A | DRIES ON SCREENING CAN AROUND MICRO , ALSO CHECK MAIN PCB WHERE SUBPANEL IS PLUGGED IN |
| XE4 | INT. ( AV ) | CHECK FOR DRY-JOINTS ON SCREENING CAN AROUND MAIN MICRO |
| XE4 | Intermittent faults. | Dry joints on high wattage resistors on stand-off pill. |
| XE4 | LINE TRANSISTOR SC FUSE OC TRANSISTOR BLOWS AT SWI | LOPT SC |
| XE4 | Low gain. | SWAF unit. |
| XE4 | No sound or picture - intermittent. | Dry joint on coil L852. |
| XE4 | Poor EW. | C527 ( 470u f ) gone low in value. |
| XE4 | POOR FIELD LIN | C527 470uF 25v |
| XE4 | SHIMMER ON VERTICALS WORSE WHEN WARM | DRYS ON FIELD HEATSINK |
| XE4 | Snowy pic - low tuner gain | SWAF faulty |
| XE4 | SOMETIMES COMES ON IN AV MODE REMOTE LED FLASHES A | POOR SOLDERING AROUND IR SCREENING CAN |
| XE4 | SOUND VARIES + HARD TO ADJUST | D016 LEAKY |
| XE4 | Stuck in standby. | Dry on resistor 0.68ohm in L602 location. |
| XE4 | VERTICAL DISTORTION FROM COLD | RESOLDER FIELD IC AND HEATSINK |
| XE-4 | Red & green flashing/streaks/squares & no txt when heated | SAA5243P chip on txt panel soldered directly in (dry joints holder) |
| XE-5 | no store chans | dry joints tuner/IF section |
| YE2 | BLANK SCREEN IN TEXT | RV3 ON TEXT PCB 100R |
| YE2 | Dead - no o/p from psu | R603 390k 1/2w o/c & dry joints D801,2,8 & 9 on line pcb |
| YE2 | Dead. | No 135v supply to pin 4 of plug D1 , S/c bt pins 1&12 of LOPTX. |
| YE2 | East west - convergence at sides of screen. | L551 27mH. |
| YE2 | From Cold Top 2/3 of pic blanked out | C818 ( 4.7uF ) 250V |
| YE2 | LOSES LINE SYNC ON CHANNEL CHANGE | D811 , R825 , D810 , R838 ALL DRY JOINTED |
| YE2 | NO COLOUR | T302 OC |
| YE2 | no pic sound ok | HT low at 80v (135v) C652 33µ 250v |
| YE2 | No sound or picture - low buzz. | LOPTX |
| YE2 | STUCK ON CHANNEL 6 NO SOUND OR PIC | VOLUME DOWN BUTTON SC |
| YE2 | Teletext - no text. | RV3 ( 100R ) on text PCB goes high. |
| YE2 | Tuning - tuner scan will not stop. | Check miniature pushbuttons switches under tuning facia. |
| KV-C25/C27 | All the minus ( - ) keys on keyboard inoperative. ( vol-, prog-, search- etc. ) | Check/repalace Microcontroller IC. |
| VTX-100CS | No sound | Check/Replace R358 220Ohms Resistor |
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